diff options
Diffstat (limited to 'include/mbgl/util/math.hpp')
-rw-r--r-- | include/mbgl/util/math.hpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/mbgl/util/math.hpp b/include/mbgl/util/math.hpp index fde2a4720b..2bef5b18e2 100644 --- a/include/mbgl/util/math.hpp +++ b/include/mbgl/util/math.hpp @@ -104,6 +104,10 @@ T smoothstep(T edge0, T edge1, T x) { return t * t * (T(3) - T(2) * t); } +// Computes the log2(x) rounded up to the next integer. +// (== number of bits required to store x) +uint32_t ceil_log2(uint64_t x); + } } |